# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 670 - 674 of 931

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## Question 670

### Question

MCQ▾Which of the following pairs of equations have the same solution

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |

## Question 671

### Question

MCQ▾If means ‘B is father of A’, means ‘A is wife of B’ and means ‘A is brother of B’, then, what is the relation of J with L in ?

### Choices

Choice (4) | Response | |
---|---|---|

a. | Sister-in-law | |

b. | Mother | |

c. | Aunt | |

d. | Daughter-in-law |

## Question 672

### Question

MCQ▾Sumer Singh purchased 100 reams of papers at Rs. 50 per ream. He spent Rs. 250 on transportation, paid octroi at the rate of 30 paise per ream and paid Rs. 60 to the coolie. If he wants to have a gain of , what must be the selling price per ream?

### Choices

Choice (4) | Response | |
---|---|---|

a. | Rs. 79.45 | |

b. | Rs. 86.65 | |

c. | Rs. 90.64 | |

d. | Rs. 58.74 |

## Question 673

### Question

MCQ▾In the given question, which number can replace the question mark

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2 | |

b. | 12 | |

c. | 0 | |

d. | 11 |

## Question 674

### Question

MCQ▾Riddhi cut a cake in two equal parts and one of these two pieces is again cut into equal parts. Each small parts is of 60 grams. If there are six parts of the whole cake, what was the weight of the original cake?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 300 grams | |

b. | 600 grams | |

c. | 280 grams | |

d. | 140 grams |